Home / 11,861.13-16,367.71-6,555.63

Finding the Fourth Proportional to 11,861.13, 16,367.71 and 6,555.63

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Solution

The fourth proportional to 11,861.13, 16,367.71 and 6,555.63 is: 9,046.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.13 : 16,367.71 = 6,555.63 : x
  2. Step 2: Convert to fraction form
    11,861.13/16,367.71 = 6,555.63/x
  3. Step 3: Cross multiply
    11,861.13x = 16,367.71 × 6,555.63
  4. Step 4: Simplify right side
    11,861.13x = 107,300,650.71
  5. Step 5: Solve for x
    x = 107,300,650.71/11,861.13
  6. Step 6: Final answer
    x = 9,046.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.